CVE-2026-74859CWE-22path-traversal

CVE-2026-74859

Medium · published September 8, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
6.3
In the wild
Unconfirmed
What it is

The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00173 · 6.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-08T13:18Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-74859 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2529702 · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 08 SEP 09:01Z
    Gnome-tweaks: path traversal in theme installer
    cvelistv5